Duct seal



FIG. 1 is a front perspective view of a duct seal according to anembodiment of the present design;

FIG. 2 is a side view of the duct seal of FIG. 1, other side views beingidentical due to the axisymmetric construction of the duct seal;

FIG. 3 is a front view of the duct seal of FIG. 1;

FIG. 4 is a rear view of the duct seal of FIG. 1;

FIG. 5 is a side cutaway view along the lines 5—5 of the duct seal ofFIG. 1; and,

FIG. 6 is a detail of the side cutaway view of FIG. 5, showing the ductseal placed around a portion of a notional duct.

The broken line showing portions of a duct in FIG. 6 is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design for a duct seal, as shown and described.